package com.example.demo.mapper;


import com.example.demo.model.MessageInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface MessageInfoMapper {

    @Insert("insert into message_info (`from`,`to`,message) values (#{from},#{to},#{message})")
    void addMessage(MessageInfo messageInfo);


    @Select("SELECT * from message_info")
    List<MessageInfo> queryAll();
}
